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jack up (something)
to raise prices, to raise something with a lifting device
The gas station jacked up their gas prices during the storm.
We jacked up the car so that we could change the tire.
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  • jam on the brakes
  • jam-packed
  • jazz up (something)
  • Jekyll and Hyde
  • jockey for position
  • jog (someone's) memory
  • John Doe
  • John Hancock
  • John Henry
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  • Idioms Quiz
  • have (something) on
  • get ahead of (oneself)
  • take out a loan
  • make good on (something)
  • on second thought
  • in keeping with (something)
  • not move a muscle
  • know one's place
  • bring (something) on or bring on (something)
  • stake a claim to (something)

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  • Most Beautiful Red Flowers
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  • Play Boxing
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  • Science Experiments Ideas

    Automatic watering

    Fill a bottle with water and place it upside down and half buried in soil in a flower box. An air bubble rises up in the bottle from time to time, showing that the plants are using the water. The water reservoir is enough for several days, depending on the number of plants and the weather. Water only flows from the bottle until the soil round it is soaked. It starts to flow again only when the plants have drawn so much water from the soil that it becomes dry, and air can enter the bottle. One notices that plants can take water more easily from loose soil than from hard.


    Chourishi Systems